12120212022210 has 96 divisors (see below), whose sum is σ = 31895402954688. Its totient is φ = 3192797473920.

The previous prime is 12120212022209. The next prime is 12120212022227. The reversal of 12120212022210 is 1222021202121.

It is a happy number.

12120212022210 is a `hidden beast` number, since 121 + 202 + 120 + 2 + 221 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 80099925 + ... + 80251095.

It is an arithmetic number, because the mean of its divisors is an integer number (332243780778).

Almost surely, 2^{12120212022210} is an apocalyptic number.

12120212022210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12120212022210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15947701477344).

12120212022210 is an abundant number, since it is smaller than the sum of its proper divisors (19775190932478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12120212022210 is a wasteful number, since it uses less digits than its factorization.

12120212022210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162000 (or 161997 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12120212022210 its reverse (1222021202121), we get a palindrome (13342233224331).

The spelling of 12120212022210 in words is "twelve trillion, one hundred twenty billion, two hundred twelve million, twenty-two thousand, two hundred ten".